Ball-bearing caster



Nov. 19, 1929.

Filed June 25. 1927` 2 Sheets-Sheet OWL ` @g Wm Nov. 19, 1929. F. BEEMER BALL BEARING CASTER Filed- June 25. 1927 2 Sheets-Sheet 2 Patented Nov. 19, 1929 FRANK BEEMER, OF PHILADELPHIA, PENNSYLVANIA, ASSIG-NOR T NICE BALL BEAR- ING COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENN- SYLVAN IA Application led June 25,

The principal object of the present invention is to provide a pressed metal ball bearing swivel caster of which both the pedestal and yoke elements comprise but three stampings 5 and which is strong, efficient and compara tively inexpensive.

To these and other ends hereinafter set forth the invention, generally stated, consists of a pressed metal ball bearing swivel caster including three tubular stampings of which two constitute the pedestal and are spaced apart and connected `at the outer periphery by a lapped joint provided on the stampings and of which the third tubular stamping constitutes a yoke and is provided with arms projecting in one direction and with a flaring reversely curved annular flange projecting in the other direction and into the space provided between the first mentioned two stampings, two rows of balls disposed in saidspace and on opposite sides of said flaring flange, and a wheel mounted in the arms.

The invention also comprises the improvements to be presently described and nally claimed.

3o away and parts in section illustrating a caster embodying features of the invention.

Fig. 2 is a front view of the same, and Fig. 3 is a top or plan view. In the drawings l and 2 are tubular stampings. They are dished to provide space 3 between them and they are connected at their peripheries or outer edges by a lapped joint Il. As shown these stampings l and 2 are reotangular in outline at their outer edges and are circular in outline at their inner edges. A

third tubular stamping 5 isprovided with arms G projecting in one direction and with a flaring reversely curved annular flange 7 projecting in the other direction and into the .space 3. 8 and 9 are two rows of balls disposed in the space 3 and arranged on opposite sides of the flaring Harige 7. l0 is a wheel rotatably mounted in the arms 6.

t will be obvious to those skilled in the art to which the invention relates that modi- BALL-BEARING CASTER 1927. Serial No. 201,409.

are spaced apart and connected at the outer periphery by a lapped joint provided on the stainpings and of which the third tubular stamping constitutes a yoke and is provided with arms projecting in one direction and with a flaring reversely curved annular flange projecting in the other direction and into the space provided between the first mentioned two stampings, two rows of balls disposedin said space and on o posite sides of said flaring flange, and a w eell mounted in Said arms. v

FRANK BEEMER. 

